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A dictionary of architecture and building : biographical, historical, and descriptive (1902)

Sturgis, Russell, 1836-1909 · New York : The Macmillan company · leaf 560

An illustration from A dictionary of architecture and building : biographical, historical, and descriptive, 1902, leaf 560 — Fig. 42. C. In the form shown in Fig. 11, the basesare as in Fig. 10, and the element.s of the sur-face at the springing are straight lines parallelto the axis, but the ridge is curved, the expan-sion being in a vertical direction only. The948 VAULT surface, not being generated by the movementof… … Fio. 43. but such vaults may be termed convex-conoidahTiiey rarely occur except as jiarts of a compoundvault.

Architecture · Architects

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